MH88612K - Subscriber Line Interface Circuit Preliminary Information
Mitel Networks
General Description
The SLIC provides a complete interface between a switching system and subscriber loop.
Functions provided include battery feed, ringing feed and tipring reversal to the subscriber line, 2-Wire to 4-Wire hybrid interfacing, constant current feed and dial pulse detection.
Key Features
Input impedance 600 Ω Transformerless 2-wire to 4-wire conversion Battery and ringing feed to line Off-hook and dial pulse detection Ring ground over-current protection Adjustable constant current feed Relay drive output with diode protection Power Denial Wide V BAT Operating Range Tip/Ring Reversal
MH88612K
ISSUE 3
April 1995
Ordering Information
30 Pin SIL Package
0° C to 70° C.
Full PDF Text Transcription for MH88612K (Reference)
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MH88612K. For precise diagrams, and layout, please refer to the original PDF.
® MH88612K Subscriber Line Interface Circuit Preliminary Information Features • • • • • • • • • • Input impedance 600 Ω Transformerless 2-wire to 4-wire conversion Batter...
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put impedance 600 Ω Transformerless 2-wire to 4-wire conversion Battery and ringing feed to line Off-hook and dial pulse detection Ring ground over-current protection Adjustable constant current feed Relay drive output with diode protection Power Denial Wide V BAT Operating Range Tip/Ring Reversal MH88612K ISSUE 3 April 1995 Ordering Information 30 Pin SIL Package 0° C to 70° C Description The SLIC provides a complete interface between a switching system and subscriber loop. Functions provided include battery feed, ringing feed and tipring reversal to the subscriber line, 2-Wire to 4-Wire hybrid interfacing, constant curre
MH88612K Datasheet
